elysia xfilter 500 - Manual (Page 6)

6
Connectors
Audio outputs (+4 dBu)
Pin assignment balanced: 1 ground 2 hot (+) 3 ground
Pin assignment unbalanced: 1 ground 2 hot (+) 3 idle
Audio inputs (+4 dBu)
Pin assignment balanced: 1 ground 2 hot (+) 3 cold (-)
Pin assignment unbalanced: 1 ground 2 hot (+) 3 ground
Mono operation: Connect either input and output 1 or 2 –
both will work identically.
Stereo operation: Connect both inputs and outputs 1 and 2 –
the choice which channel is left and which is right is up to you.